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Annotation of sys/arch/i386/pci/sis85c503reg.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: sis85c503reg.h,v 1.3 2000/03/28 03:38:00 mickey Exp $ */
        !             2: /*     $NetBSD: sis85c503reg.h,v 1.1 1999/11/17 01:21:21 thorpej Exp $ */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1999, by UCHIYAMA Yasushi
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. The name of the developer may NOT be used to endorse or promote products
        !            14:  *    derived from this software without specific prior written permission.
        !            15:  *
        !            16:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
        !            17:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            18:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            19:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
        !            20:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            21:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            22:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            23:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            24:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            25:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            26:  * SUCH DAMAGE.
        !            27:  */
        !            28:
        !            29: /*
        !            30:  * Register definitions for the SiS 85c503 PCI-ISA bridge interrupt controller.
        !            31:  */
        !            32:
        !            33: #define        SIS85C503_CFG_PIRQ_REGSTART     0x41    /* PCI configuration space */
        !            34: #define        SIS85C503_CFG_PIRQ_REGEND       0x44
        !            35:
        !            36: #define        SIS85C503_LEGAL_LINK(link) ((link) >= SIS85C503_CFG_PIRQ_REGSTART && \
        !            37:                                    (link) <= SIS85C503_CFG_PIRQ_REGEND)
        !            38:
        !            39: #define        SIS85C503_CFG_PIRQ_REGOFS(regofs) (((regofs) >> 2) << 2)
        !            40: #define        SIS85C503_CFG_PIRQ_SHIFT(regofs)                                \
        !            41:        (((regofs) - SIS85C503_CFG_PIRQ_REGOFS(regofs)) << 3)
        !            42:
        !            43: #define        SIS85C503_CFG_PIRQ_MASK         0xff
        !            44: #define        SIS85C503_CFG_PIRQ_INTR_MASK    0x0f
        !            45:
        !            46: #define        SIS85C503_CFG_PIRQ_REG(reg, regofs)                             \
        !            47:        (((reg) >> SIS85C503_CFG_PIRQ_SHIFT(regofs)) & SIS85C503_CFG_PIRQ_MASK)
        !            48:
        !            49: #define        SIS85C503_CFG_PIRQ_ROUTE_DISABLE 0x80
        !            50:
        !            51: #define        SIS85C503_PIRQ_MASK             0xdef8
        !            52: #define        SIS85C503_LEGAL_IRQ(irq)        ((irq) >= 0 && (irq) <= 15 &&   \
        !            53:                                 ((1 << (irq)) & SIS85C503_PIRQ_MASK) != 0)